/* ========================================
   Lindahl Produktion - Portfolio Website
   Modern, Futuristic, Blue-Green Gradient
   ======================================== */

/* CSS Custom Properties */
:root {
    /* Colors - Blue to Green Gradient */
    --color-blue-dark: #0a1628;
    --color-blue: #0f4c81;
    --color-blue-light: #1e88e5;
    --color-cyan: #00bcd4;
    --color-teal: #00897b;
    --color-green: #00c853;
    --color-green-light: #69f0ae;
    
    /* Gradient */
    --gradient-primary: linear-gradient(135deg, var(--color-blue) 0%, var(--color-teal) 50%, var(--color-green) 100%);
    --gradient-text: linear-gradient(135deg, var(--color-cyan) 0%, var(--color-green-light) 100%);
    --gradient-card: linear-gradient(145deg, rgba(15, 76, 129, 0.1) 0%, rgba(0, 137, 123, 0.1) 100%);
    --gradient-glow: radial-gradient(ellipse at center, rgba(0, 188, 212, 0.15) 0%, transparent 70%);
    
    /* Neutrals */
    --color-bg: #0a0f1a;
    --color-bg-elevated: #0d1424;
    --color-bg-card: rgba(13, 20, 36, 0.8);
    --color-text: #e8eef5;
    --color-text-muted: #8899aa;
    --color-border: rgba(0, 188, 212, 0.2);
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Space Grotesk', 'Inter', sans-serif;
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;
    
    /* Container */
    --container-max: 1200px;
    --container-padding: 1.5rem;
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Animated Background */
.bg-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
    animation: float 20s infinite ease-in-out;
}

.orb-1 {
    width: 600px;
    height: 600px;
    background: var(--color-blue);
    top: -200px;
    left: -200px;
    animation-delay: 0s;
}

.orb-2 {
    width: 500px;
    height: 500px;
    background: var(--color-teal);
    bottom: -150px;
    right: -150px;
    animation-delay: -7s;
}

.orb-3 {
    width: 400px;
    height: 400px;
    background: var(--color-green);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: -14s;
    opacity: 0.2;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(50px, -30px) scale(1.05); }
    50% { transform: translate(20px, 40px) scale(0.95); }
    75% { transform: translate(-30px, 20px) scale(1.02); }
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.2;
}

.gradient-text {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Container */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--space-md) 0;
    background: rgba(10, 15, 26, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
    transition: var(--transition-base);
}

.nav-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    text-decoration: none;
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
}

.logo-text {
    color: var(--color-text);
}

.logo-accent {
    color: var(--color-cyan);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--space-xl);
}

.nav-link {
    color: var(--color-text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition-fast);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition-base);
}

.nav-link:hover {
    color: var(--color-text);
}

.nav-link:hover::after {
    width: 100%;
}

/* Language Selector */
.lang-selector {
    margin-right: var(--space-lg);
}

.lang-selector select {
    background: rgba(0, 188, 212, 0.1);
    border: 1px solid var(--color-border);
    color: var(--color-text);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-md);
    font-size: 0.85rem;
    cursor: pointer;
    transition: var(--transition-fast);
    font-family: var(--font-primary);
}

.lang-selector select:hover {
    background: rgba(0, 188, 212, 0.2);
    border-color: var(--color-cyan);
}

.lang-selector select:focus {
    outline: none;
    border-color: var(--color-cyan);
    box-shadow: 0 0 0 3px rgba(0, 188, 212, 0.2);
}

.lang-selector select option {
    background: var(--color-bg-elevated);
    color: var(--color-text);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-sm);
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-text);
    transition: var(--transition-base);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-4xl) var(--container-padding);
    position: relative;
    overflow: hidden;
}

.hero-content {
    max-width: 700px;
    text-align: center;
    z-index: 1;
}

.hero-badge {
    display: inline-block;
    padding: var(--space-sm) var(--space-lg);
    background: var(--gradient-card);
    border: 1px solid var(--color-border);
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-cyan);
    margin-bottom: var(--space-xl);
    backdrop-filter: blur(10px);
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    margin-bottom: var(--space-lg);
    letter-spacing: -0.02em;
}

.title-line {
    display: block;
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-muted);
    max-width: 550px;
    margin: 0 auto var(--space-2xl);
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    border-radius: var(--radius-md);
    font-family: var(--font-primary);
    font-size: 0.95rem;
    font-weight: 500;
    text-decoration: none;
    transition: var(--transition-base);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 20px rgba(0, 188, 212, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0, 188, 212, 0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--color-text);
    border: 1px solid var(--color-border);
}

.btn-secondary:hover {
    background: var(--gradient-card);
    border-color: var(--color-cyan);
}

/* Hero Visual */
.hero-visual {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
}

.hero-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
    transform: rotate(12deg) scale(0.8);
    opacity: 0.1;
}

.grid-item {
    width: 150px;
    height: 150px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    animation: pulse 4s infinite ease-in-out;
}

.grid-item:nth-child(2) { animation-delay: -1s; }
.grid-item:nth-child(3) { animation-delay: -2s; }
.grid-item:nth-child(4) { animation-delay: -3s; }

@keyframes pulse {
    0%, 100% { opacity: 0.3; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(1.02); }
}

/* Sections */
.section {
    padding: var(--space-4xl) 0;
    position: relative;
}

.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto var(--space-3xl);
}

.section-badge {
    display: inline-block;
    padding: var(--space-xs) var(--space-md);
    background: var(--gradient-card);
    border: 1px solid var(--color-border);
    border-radius: 100px;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--color-cyan);
    margin-bottom: var(--space-md);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.section-title {
    font-size: clamp(2rem, 4vw, 2.75rem);
    margin-bottom: var(--space-md);
}

.section-description {
    color: var(--color-text-muted);
    font-size: 1.1rem;
}

/* About Section */
.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-xl);
}

.about-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl);
    backdrop-filter: blur(10px);
    transition: var(--transition-base);
}

.about-card:hover {
    transform: translateY(-4px);
    border-color: var(--color-cyan);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.about-icon {
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-lg);
}

.about-icon svg {
    width: 24px;
    height: 24px;
    color: white;
}

.about-card h3 {
    font-size: 1.25rem;
    margin-bottom: var(--space-md);
}

.about-card p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* Projects Section */
.projects-section {
    background: var(--gradient-glow);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: var(--space-xl);
}

.project-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    backdrop-filter: blur(10px);
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    opacity: 0;
    transition: var(--transition-base);
}

.project-card:hover {
    transform: translateY(-8px);
    border-color: var(--color-cyan);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.4);
}

.project-card:hover::before {
    opacity: 1;
}

.project-card.featured {
    border-color: rgba(0, 188, 212, 0.3);
}

.project-card.upcoming {
    opacity: 0.85;
}

.project-status {
    display: inline-block;
    padding: var(--space-xs) var(--space-md);
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-lg);
}

.project-status.live {
    background: rgba(0, 200, 83, 0.15);
    color: var(--color-green-light);
    border: 1px solid rgba(0, 200, 83, 0.3);
}

.project-status.coming-soon {
    background: rgba(0, 188, 212, 0.15);
    color: var(--color-cyan);
    border: 1px solid rgba(0, 188, 212, 0.3);
}

.project-icon {
    width: 56px;
    height: 56px;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-lg);
}

.project-icon svg {
    width: 28px;
    height: 28px;
    color: white;
}

.project-title {
    font-size: 1.5rem;
    margin-bottom: var(--space-xs);
}

.project-brand {
    color: var(--color-cyan);
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: var(--space-md);
}

.project-description {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: var(--space-lg);
}

.project-features {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-sm);
    margin-bottom: var(--space-xl);
}

.project-features li {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.project-features li::before {
    content: '→';
    color: var(--color-green-light);
}

.project-links {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
}

.project-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    font-weight: 500;
    text-decoration: none;
    transition: var(--transition-base);
}

.project-link svg {
    width: 16px;
    height: 16px;
    transition: var(--transition-base);
}

.project-link.primary {
    background: var(--gradient-primary);
    color: white;
}

.project-link.primary:hover {
    box-shadow: 0 4px 15px rgba(0, 188, 212, 0.4);
}

.project-link.primary:hover svg {
    transform: translate(2px, -2px);
}

.project-link.secondary {
    background: transparent;
    color: var(--color-text);
    border: 1px solid var(--color-border);
}

.project-link.secondary:hover {
    border-color: var(--color-cyan);
    color: var(--color-cyan);
}

.project-link.disabled {
    background: var(--gradient-card);
    color: var(--color-text-muted);
    cursor: default;
}

/* Contact Section */
.contact-grid {
    max-width: 600px;
    margin: 0 auto;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.contact-card {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    backdrop-filter: blur(10px);
    transition: var(--transition-base);
}

.contact-card:hover {
    border-color: var(--color-cyan);
    transform: translateX(8px);
}

.contact-icon {
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon svg {
    width: 22px;
    height: 22px;
    color: white;
}

.contact-details h4 {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    font-weight: 500;
    margin-bottom: var(--space-xs);
}

.contact-details a,
.contact-details p {
    color: var(--color-text);
    text-decoration: none;
    font-size: 1rem;
}

.contact-details a:hover {
    color: var(--color-cyan);
}

/* Footer */
.footer {
    background: var(--color-bg-elevated);
    border-top: 1px solid var(--color-border);
    padding: var(--space-3xl) 0 var(--space-xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--space-3xl);
    margin-bottom: var(--space-2xl);
}

.footer-brand {
    font-family: var(--font-display);
    font-size: 1.25rem;
}

.footer-tagline {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    margin-top: var(--space-sm);
    font-family: var(--font-primary);
}

.footer-links h5 {
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
    color: var(--color-text);
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--space-sm);
}

.footer-links a {
    color: var(--color-text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition-fast);
}

.footer-links a:hover {
    color: var(--color-cyan);
}

.footer-bottom {
    padding-top: var(--space-xl);
    border-top: 1px solid var(--color-border);
    text-align: center;
}

.footer-bottom p {
    color: var(--color-text-muted);
    font-size: 0.85rem;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--color-bg);
        border-bottom: 1px solid var(--color-border);
        flex-direction: column;
        padding: var(--space-lg);
        gap: var(--space-md);
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .hero {
        padding-top: 120px;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .project-features {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
        text-align: center;
    }
}

@media (max-width: 480px) {
    :root {
        --container-padding: 1rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .section {
        padding: var(--space-3xl) 0;
    }
}